APA aipamena

Lougheed, L. (2011). Direct to TOEFL iBT: Student's book. Macmillan Education.

Chicago Style aipamena

Lougheed, Lin. Direct to TOEFL IBT: Student's Book. [Bangkok, Thailand]: Macmillan Education, 2011.

MLA aipamena

Lougheed, Lin. Direct to TOEFL IBT: Student's Book. Macmillan Education, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.